significance of Alfonso's Broken Chain appears in Broken Chain

In Broken Chain, Alfonso cleans his bike in preparation for a trip with Sandra, the young girl that he has a crush on. While cleaning, Alfonso takes off the bike chain. He plans to degrease it, lubricate it, and put it back on. Unfortunately, he breaks the chain. Angry, he throws the broken chain down and it not only breaks again but also bounces up and cuts his hand. The chain is symbolic of Alfonso's relationship with his brother Ernie and the strains placed on that relationship by Ernie's not having a girlfriend while Alfonso has prospects.